Home / 11,208.12-16,812.26-3,417

Finding the Fourth Proportional to 11,208.12, 16,812.26 and 3,417

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Solution

The fourth proportional to 11,208.12, 16,812.26 and 3,417 is: 5,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.12 : 16,812.26 = 3,417 : x
  2. Step 2: Convert to fraction form
    11,208.12/16,812.26 = 3,417/x
  3. Step 3: Cross multiply
    11,208.12x = 16,812.26 × 3,417
  4. Step 4: Simplify right side
    11,208.12x = 57,447,492.42
  5. Step 5: Solve for x
    x = 57,447,492.42/11,208.12
  6. Step 6: Final answer
    x = 5,125.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.